diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index c95711b..b1774cf 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,3 +1,6 @@
+### 2.0.15
+- Added missing file "adoptedStyleSheets.js"
+
 ### 2.0.14
 - Issue #91: "Attr.readOnly false" fixed
 - Removed diagnostic output to console
diff --git a/src/Sutil/Sutil.fsproj b/src/Sutil/Sutil.fsproj
index 561dfd0..7e165b3 100644
--- a/src/Sutil/Sutil.fsproj
+++ b/src/Sutil/Sutil.fsproj
@@ -54,7 +54,7 @@
   </ItemGroup>
   <!-- Add source files to "fable" folder in Nuget package -->
   <ItemGroup>
-    <Content Include="*.fsproj; **\*.fs; webcomponentinterop.js;" PackagePath="fable" />
+    <Content Include="*.fsproj; **\*.fs; webcomponentinterop.js; adoptedStyleSheets.js;" PackagePath="fable" />
   </ItemGroup>
   <Target Name="ReallyClean" AfterTargets="Clean">
     <!-- Remove obj folder -->